203213013001 has 4 divisors (see below), whose sum is σ = 203380543492. Its totient is φ = 203045482512.

The previous prime is 203213012971. The next prime is 203213013007. The reversal of 203213013001 is 100310312302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116967420025 + 86245592976 = 342005^2 + 293676^2 .

It is a cyclic number.

It is not a de Polignac number, because 203213013001 - 2³⁵ = 168853274633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203213013007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83763426 + ... + 83765851.

It is an arithmetic number, because the mean of its divisors is an integer number (50845135873).

Almost surely, 2^203213013001 is an apocalyptic number.

It is an amenable number.

203213013001 is a deficient number, since it is larger than the sum of its proper divisors (167530491).

203213013001 is a wasteful number, since it uses less digits than its factorization.

203213013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167530490.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 203213013001 its reverse (100310312302), we get a palindrome (303523325303).

The spelling of 203213013001 in words is "two hundred three billion, two hundred thirteen million, thirteen thousand, one".